Home / 193,018.24-289,847.94-130,242.16

Finding the Fourth Proportional to 193,018.24, 289,847.94 and 130,242.16

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Solution

The fourth proportional to 193,018.24, 289,847.94 and 130,242.16 is: 195,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,018.24 : 289,847.94 = 130,242.16 : x
  2. Step 2: Convert to fraction form
    193,018.24/289,847.94 = 130,242.16/x
  3. Step 3: Cross multiply
    193,018.24x = 289,847.94 × 130,242.16
  4. Step 4: Simplify right side
    193,018.24x = 37,750,421,777.15
  5. Step 5: Solve for x
    x = 37,750,421,777.15/193,018.24
  6. Step 6: Final answer
    x = 195,579.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.